package day011.static_app.trait;

public class Test01 {
    public static void main(String[] args) {
        StaticDemo s1 = new StaticDemo();
        StaticDemo s2 = new StaticDemo();
        StaticDemo s3 = new StaticDemo();

        s1.number++;
        s2.number++;
        s3.number++;

        System.out.println(StaticDemo.number);
    }
}
